Nuclear magnetic resonance studies of some biologically active dihydropterins.
D000818:Animals; D001001:Anura; D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D002854:Chromatography, Paper; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D011621:Pteridines / Q000032:analysis; D011622:Pterins / Q000032:analysis*
D011621:Pteridines; D011622:Pterins